Mechanical movement.



G. B. REISBAGH.

Patented Jan. 26, 1915.

3 SHEETS-SHEET 1.

G. B. REISBAUH. MECHANICAL MOVEMENT. APPLICATION FILED 313.21, 1907.

1,126,084. Pa,tented Jan.26,1915.

3 SHEETS-SHEET 2.

G. B. REI SBAGH.

' MECHANICAL MOVEMENT.

APPLICATION FILED FEB. 2 1, 1907.

1, 1 26,084. Patented Jan. 26, 1915.

a SHE ETSSHEET s. 1 7

UNITED STATES PATENT OFFICE.

'GUSTAVE B. REISBACH, F MILWAUKEE, WISCONSIN, ASSIGNOR TO THE CUTLER-HAMMER MANUFACTURING COMPANY, OF MILWAUKEE, WISCONSIN, A COR- PORATIONOF WISCONSIN.

- MECHANICAL MOVEMENT.

Specification of Letters Patent.

Patented Jan. 26, 1915.

To all whom it may concern:

Be it known that I, GUSTAVE B. REISBAOH, a subject of the Emperor ofGermany, residing at Milwaukee, in the county of Milwaukee and State ofWisconsimhave invented new and useful Improvements in MechanicalMovements, of which the following is a full, clear, concise, and exactdescription, reference being had to the accompanying drawing, forming apart of this specification.

My invention relates to improvements in mechanical movements.

It has for its object to provide an automaticall operable mechanicalmovement which will be locked againstmanual operation.

In order to set forth my invention I shall describe the same as embodiedin the mechanism which is illustrated in the accompanying drawings.

Figure 1 is a front elevation of the mechanical movement, Fig. 2 is aplan view .thereof, Fig. 3 is a sectional view on the line 3-3 of Fig.1, Fig. 4 is a perspective view of the pivoted pawl, Fig. 5 is asectional view on the line 55 of Fig. 4, Fig. 6 is a perspective view ofa portion of the ratchet wheels, Fig. 7 is a view'of an indicator thatmay be operated by my mechanical movement, Fig. Sis a diagram of anelectrical system that may be employed to operate my mechanicalmovement, and Fig. 9 is an end view of a commutator which may be used inthe electrical system'of control.

The base 1 carries a bearing sleeve 2 in which is journaled a shaftorspindle 3. The spindle may carry a,pointer 4'which plays over a dial 5.The shaft 3 carries a pointed tooth ratchet wheel 6 and a flat toothratchet wheel 7. According to the structure shown in the drawing, thepointed tooth ratchet wheel 6 is loosely mounted upon the shaft 3, whilethe flat tooth ratchet wheel 7 is fixed upon said shaft by means of apin or other suitable means 8. The ratchet wheels are engaged by a pawl9 which is slidably mounted in a guide 10 which may be mounted upon thebase 1. A spring 11 serves to press the pawl downwardly into engagementwith the ratchet wheels. The pawl is prevented from turning in itshearing by means of a pin 12 mounted thereon and enteringa" hole in theguide 10. The pawl preferably carries a roller 13 and a tooth'14. Theroller engages the pointed teeth of the ratchet wheel 6. The tooth 14engages the flat or locking teeth of'the ratchet wheel 7. Two arms 15and 16 are pivoted on the shaft 3. A bell crank pawl 17 is pivoted onthe outer end-of the arm 16 by means of a pin 18. A similar pawl 19 ispivoted on the outer end of the arm 15 by means of a pin 20. One arm ofthe pawl 19 is provided with a finger 21, which extends across theperipheries of both ratchet wheels 6 and 7, and which is adapted toengage the teeth of said wheels. The pawl 17 is provided with a similarfinger 22. I

Two solenoids 23 and 24 are suitably mounted upon frames attached to thebase '1. These solenoids are provided with plungers 25 and 26respectively. The plunger 25 is connected to the pawl 19 by means of alink 27 which is suitably pivoted to said parts by means of pins. Theplunger 26 and the pawl 17 are similarly connected by means of a link28. The frames of solenoids 23 and 24 carry guides 29 and 30 for thearms 15. and 16.

It'will be noted that if'the two ratchet wheels be turnedsimultaneously, the pointed teeth of the ratchet wheel 6 will engage theroller 13 and raise the pawl to remove the tooth 14from'engagement withthe flat teeth of'the ratchet wheel 7, thus allowing the lower ratchetwheel to be rotated. It would be impossible to turn the ratchet wheel 7alone, however, as the tooth 14 looks it against rotation.

v hen the solenoid 24 is energized, it will 'raise its plunger 26,thereby tilting the pawl 17 until the finger 22 engages the teeth of theratchet wheels 6 and 7-, when the arm 16 will be drawn upwardly. Thepawl 17 will thus cause the ratchet wheels to turn together for apredetermined degree. When the solenoid 24 is deenergized, the plunger26' will descend, thereby withdrawing finger 22 from the ratchet teethand allowin the arm 16 to return to its normal position. The ratchetwheels may thus be turned together step by step by intermittentlyenergizing the solenoid 24.

When the solenoid 23 is energized it will operate the pawl 19 in thesame manner as the solenoid 24 operates the pawl 17, thereby causingrotation of the ratchet wheels. The direction of rotation of theratchets which is produced by the pawl 19 is opposite to that producedby the pawl 17.

The ratchet wheels may, therefore, be turned in either direction.

A system of electrical control which may be used to interrupt thecircuits to intermittently cause the energization of the solenoids 23 or24 is illustrated in Fig. 8.

My mechanical movement may be used in various relations and for variouspurposes. In order to indicate one application of the same, I shalldescribe its operation as applied to an electrical system of valvecontrol. Such systems usually employ an electric motor for operating thevalve. My mechanical movement may be used to operate the hand 4 toindicate the position of the valve? I'fio'rder that -it may perform sucha function, a commutator or switch adapted to control the circuits ofthe solenoid 23 and 24 may be mechanically operated by the motor. Thecommutator may consist of a rotatable drum 3l which carries a contact32. Suitable brushes or contact fingers 33 are adapted to engage thecontact 32. It .will be noted that as the, drum 31 turns, the contact 32will engage the brushes 33. In order to direct the direction of themovement of the hand 4, a switch 34 may be provided. It may be assumedthat the switch 34 stands in the position shown-in the drawing. Duringeach revolution of the drum 31, the circuit of the solenoid 23 will beclosed momentarily from the positive line through switch 34, conductor35, brush 33*, contact 32, brush 33 conductor 36, and solenoid 23 to thenegative line. The commutator will, therefore, cause the solenoid 23 tobe intermittently energized. Inasmuch as the commutator is driven by themotor, the hand 4 will indicate the position to which the valve ismoved. The switch 34'may be automatically moved to the positionillustrated by dotted lines, when themotor runs in a reverse direction.During each revolution of the drum the circuit of solenoid 24 will thenbe momentarily closed from the positive line, through switch 34,conductor 37, brush 33, contact 32, brush 33, conductor 38, and solenoid24 to the negative line. It will thus be seen that my mechanicalmovement may operatethe indi cator 4 in either direction to indicate theoperation of the motor and the position of the valve.

While I have described my mechanical movement as applied to a system ofvalve control, it will be understood thatit is applicable tootherpurposes and may be employed to perform various functions. The claimsappended hereto are, therefore, intended to exte d to the variousrelations to which my iiwention may be applied. Of course variouschanges may be made in the arrangement, construction and operation ofparts which are introduced in the particular form of my inventionillustrated in the drawings.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent is 1. In a mechanical movement, in combination,two independently rotatable members, a lock arranged to hold one of saidmembers against rotation, and operated by the other member to releasethe first mentioned member when said members are rotated simultaneously,and means for rotating said members simultaneously.

2. In combination, a member movable in a step by step manner, a devicefor automatically locking saidmember upon each step of operationthereof, a second movable member normally free of said first member andadapted to be moved in a step by step manner similarly to and insynchronism with said first member to release the same, said firstmember being inoperative without simultaneous operation of said secondmember.

3. In combination, two independently movable members, a lock arranged tohold one of said members and adapted to be operated by the other memberto release the first mentioned member upon simultaneous operation ofsaid members, and automatic means for operating said movable'members'simultaneously.

4. In combination, two independently rotatable members, a lock arrangedto holdmatic means for rotating said members simultaneously in eitherdirection.

5. In combination, two independently rotatable members, a lock arrangedto hold one of said members against rotation and operated by the othermember to release the first mentioned member, and automatic means forrotating said members simultaneously and intermittently.

6. In combination, two independently rotatable members, a lock arrangedto hold one of said members against rotation and operated by the othermember to release the first mentioned member when said members arerotated simultaneously, and automatic means for rotating said memberssimultaneously and intermittently in either direction.

7 In combination, two independently rotatable ratchet wheels, one havinglocking teeth and the other cam teeth, a locking pawl adapted to engagesaid locking teeth and adapted to be operated by said cam teeth towithdraw it from said locking teeth when the other member to release thefirst mentioned member when said members are rotated simultaneously, adog adapted to engage both members, and an electromagnetic windingadapted to operate said dog to move said members simultaneously.

.10. In combination, two independently rotatable toothed wheels, a lockengaging one of said wheels to hold the same against rotation andoperated by the other wheel to dis engage it from the first mentionedwheel when said wheels are rotated simultaneously, a pivoted arm, a dogpivoted upon said arm and adapted to engage both wheels, and means foroperating said dog to throw it into engagement with said wheels and thenrotate said wheels simultaneously.

11. In combination, two independently rotatable toothed wheels, a lockengaging one of said wheels to hold the same against rotation andoperated by the'other wheel to disengage it from the first mentionedwheel when said wheels are rotated simultaneously, a pivoted arm, a dogpivoted upon ng said dog to throw it into engagement with said wheelsand then rotate said wheels simultaneously.

12. In combination, two independently rotatable toothed wheels, a lockengaging one of said wheels to hold the same against rotation andoperated by the other wheel to disengage it from the first mentionedwheel when said members are rotated simultaneously, a pivoted arm, a dogpivoted upon said arm and adapted to engage both wheels, anelectromagnetic winding for operating said dog to throw it intoengagement with said wheels and then rotate said wheels simultaneously,and means for intermittently energizing said winding.

13. In combination, two independently rotatable ratchet wheels, alocking pawl for engaging one of said wheels to hold the same againstrotation and operated by the other wheel to disengage said pawl from thefirst mentioned wheel when said wheels are rotated simultaneously, twopivoted arms, a dog pivoted upon the free end of each arm and adapted toengage both ratchet wheels,

, apd means adapted to throw either of said dogs into engagement withsaid ratchet wheels and then rotate said ratchet wheels simultaneously;

14. I11 'combination, two independently ro tatable ratchet wheels, alocking pawl for engaging one of said wheels to hold the same againstrotation and operated by the other wheel to disengage said pawl from thefirst mentioned wheel when said wheels are rotated simultaneously, twopivoted arms, a dog pivoted upon the free end of each arm and adapted toengage both ratchet wheels, and electromagnetic windings adapted tooperate said dogs to throw either of the same into engagement with saidratchet wheels, and then move said ratchet wheels simultaneously.

15. In COIIIblIIZItlOlLtWO independently rotatable ratchet wheels, alocking pawl engaging one of said wheels to hold the same againstrotation and operated by the other ratchet wheel to disengage it fromthe first mentioned wheel when said wheels are rotated simultaneously, apivoted arm, a dog pivoted upon the free end of said arm and adapted toengage both ratchet wheels, an electromagnetic winding. a plungeradapted to be attracted by said winding, and a link connecting saidplunger and said dog.

16. In combination, two independently rotatable ratchet wheels, alocking pawl engaging one of said ratchet wheels to hold it againstrotation and operated by the other to disengage it from the firstmentioned wheel when said wheels are rotated simultaneously, two armspivoted concentrically with the axis of said wheels, a dog pivoted uponthe free end of each of said arms and adapted to engage both wheels, andelectro magnetic windings adapted to operate either of said dogs tothrow the same into engagement with said ratchet wheels and then movesaid ratchet wheels simultaneously.

17. In combination, two independently rotatable ratchet wheels, alocking pawl engaging one of said wheels to lock it against rotation andoperated by the other to disengage it from the first mentioned wheelwhen said wheels are rotated simultaneously, two arms pivotedconcentrically with the axis of said wheels, a dog pivoted upon the freeend of each of said arms and adapted to engage both wheels, a linkconnected to each dog, a plunger connected to each link, and anelectromagnetic winding for attracting each plunger.

18. In combination, two independently rotatable ratchet wheels, alocking pawl engaging one of said wheels to lock it against rotation andoperated by the other to disengage it from the first mentioned wheelwhen said wheels are rotated simultaneously, two arms pivotedconcentrically with the axis of said wheels, a dog pivoted upon the freeend of each of said arms and adapted to engage both wheels, a linkconnected to each dog, a plunger connected to each link, anelectromagnetic winding for attracting each plunger, and means forintermittently energizing said windings.

19. In combination two independently rotatable ratchet wheels, a lockingpawl engaging one of said wheels to hold it against rotation andoperated by the other to disengage it from the first mentioned wheelwhen said wheels are rotated simultaneously, a pivoted arm, a dogpivoted upon said arm and adapted to engage both ratchet wheels, anelectromagnetic winding adapted to operate said dog to throw it intoengagement with said ratchet wheels and then turn said ratchet wheelssimultaneously, and means operated by said ratchet wheels to indicatethe rotary position of the latter.

20. In combination, two independently rotatable ratchet wheels, alocking pawl engaging one of said wheels to hold the same againstrotation and operated by the other Wheel to disengage it from the firstmentioned wheel when said wheels are rotated simultaneously, two pivotedarms, a pawl pivoted upon each arm and adapted to engage both ratchetwheels, and means operated by said ratchet wheels to indicate the rotaryposition of the latter.

21. In combination, two independently rotatable Wheels, one having flatteeth and the other cam teeth, a locking pawl engaging said flat teethto hold the first mentioned wheel against rotation, a wheel carried bysaid pawl and engaging the cam teeth upon the other wheel, two armspivoted concentrically with the axis of said wheels, a dog pivoted uponthe free end of each of said arms and adapted to engage the teeth ofboth wheels, a link connected to each dog, a plunger connected to eachlink, and an electromagnetic winding for attracting each plunger.

22. In combination, a rotatable wheel having locking teeth thereon, a.locking pawl adapted to automatically engage the locking teeth on saidwheel, a second wheel normally movable independently of the first, saidsecond wheel being provided with cam teeth for disengaging said pawlfrom the teeth of said first wheel, said pawl while in locking positionpermitting a joint movement of said two wheels suflicient to cause saidsecond wheel to release said first wheel.

- In witness whereof, I have hereunto subscribed my name in the presenceof two wit-- nesses.

GUSTAVE B. REISBACH. /Vitnesses HENRY J. WIEGAND, F. S. WILHOIT.

